1、,1.Overview,2. Functional Pinciple,3. Topology,4.Peformance 5. Ease of Use 6.Safety 7.lmplementat1on8. Confonance,9.Stability,10. Adoption,11. Summary,。d。ber 2014,Industrial Ethernet Technol。gies,EtherCAT vs. Profinet 10 - a Technology Comparison,li/Jil.CDtlD,EtherCA1:,=,忻州 副脑 llrademark ofPro仙”阳幽 I
2、 k却怕”o G伽 机 E曾le!CAT 阳阳natkof Bec:khctl V阳1.Gemlaf v,C Et“e.CAT Technol。gy Gr“p,El阳市AT vs Profinet l。,Profinet 10: Overview,器墨誓,州 me,Mm 一,旧 时Mf,i t,rcc,w 一 川 m,oR nR,4， n4,3. Topology,4.Peformance,5.Ease of Use,6.Safety,7.Implementation,8.Conformance 9.Stability10. Adoption11. Summary,October 2014,P
3、ROFINET - Pl I Siemens Industrial Ethernet Solution,Three different main Versions :,Pr。finet 1/0,Version 1 (2001) CbA: ”Component based Automation“,: Version 2 (2004),I,RT:,1 Soft Real Time I (Software Based),Factory automation,Vesion 3 (2005) IRT: lsochonous Real Time (Hardware Based),( hJlillliliS
4、“r.lil1TtI-,Pictures sourced fr。m PTO/PNO webs te,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,Profinet RT:Overview,器墨誓,l0刚ally named ,Soft R时1me“ (SRT),Software Solution with Standard Controller + Network Components Real-Time Behavior as good as provided by Switching Technology VLAN-Taggi ng P
5、rioritization, IEEE802.1q,. Stack bypasses TCP and IP for Process data ,Best E仔ort“ Protocol with 5 10 ms typical cycle time Aimed at and suited for PLC type applications (including drive control, but not motion contol) Requires substantial amount of software (Field device： 1MByte),州 me,Mm 一,旧 时Mf,i
6、 t,rcc,w 一 川 m,oR nR,4， n4,3. Topology,4.Peformance,5.Ease of Use,6.Safety,7.Implementation,8.Conformance,9.Stability,Ordinary Ethernet Controller,10.Adoption,11. Summary,October 2014,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,Profinet IRT:Overview,器墨誓,州 me,Mm 一,旧 时Mf,i t,rcc,w 一 川 m,oR nR,4，
7、 n4,3.Topology, Hard Real Time by Time Sli Requires Special Switch Chips - within ALL device (Master, Slave + all Infrastructure Devices) Aimed at Motion Control Applications Reservation of Time Slices for Non Real Time (NRT) + TCP/IP Traffic In spite of using special hardware, still requires substa
8、ntial amount of software (Field device ： 2MByte) -. ll!1!Z血旦皿血llll且噩,4.Peformance,5.Ease of Use,6.Safety,8.Conformance9.Stability10. Adoption11. Summary,7.Implementation,Pictures sourced fr。m PTO/PNO webs te,October 2014,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,EtherCAT Overview,EtherCAT.,w
9、me,Mm 04,w一d叫,四 mm川,oRR,41 q，,3.Topology, EtherCAT: Industrial Ethernet Technology developed by B础时， introduced in 2003, promoted by EtherCAT Technology Group (ETG) EtherCAT Device Protocol: 1/0 + Motion Control, Measurement ECAT Automation Protocol: Controller + Information System Level,ERP, ,Ether
10、CAT Aut。mation Pro！。col Coofi2“ ratiori,4.Performance,5. Ease of Use,曰 I I Master,m,o,”,Am，,10.Adoption,山 飞 r (r动 (i: 、,6. Safety,?. Implementation,I I Master,I I Master,M“ 翩翩 。 I ISlave dlce,Slave device,Slave device,8. Confonance,9.Stability,”“画”“,11.Summary,“.“,哩dVi,EtherCAT Device Protocol proce
11、ssed 。n the fly,。ctober 2014,。EtherCAT Techn。gyGro“p,EtherCAvs Profinet l。,州 me,Mm 一,旧 时Mf,i t,rcc,w 一 川 m,oR nR,4， n4,3.Topology,4.Peformance,5. Ease of Use,6.Safety,7.Implementation,8.Conformance,9.Stability,10. Adoption,11. Summary,October 2014,EtherCAT Profinet,Devel。pment Hist。ry,EtherCA“I: Ori
12、ginally developed for Machine Control / Fact 叩Automation: the Ethernet Fieldbus,IJfi!回画 mtJo 1st Versi on developed for Controller/Controller Communication: Profinet CBA,Later expanded for,Controller/Contr。ller,c。mmunication:,EtherCAT Automation,Later expanded for Machine Control /,Factory Aut natio
13、n:,Pr。finet RT / IRT,Prot。col,6,t斗 i, 跚,。EtherCAT Technology Group,EtherCAT vs.Profinet 10,1.Overview,2.Functional Principle,3.Topology,4.Peformance 5.Ease of Use 6.Safety 7.Implementation 8.Conformance 9.Stability10. Adoption11. Summary,October 2014,Pr。finet RT: Functional Principle,器墨誓,Each node s
14、ends its data cyclically , triggered by a local timer,These timers are NOT synchronized （ frequency fluctuations),。ms4,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,1.Overview,2.Functional Principle,3. Topology,4.Peformance,5. Ease of Use,6.Safety,7.Implementation,8.Conformance,9.Stability,10. A
15、doption,11. Summary,October 2014,Pr。finet IRT:Functi。nal Principle,器墨誓,Timeslicing Approach by special Switch Chips (e.g. ASICs) Switches can be integrated into devices Topologies: Line (up to 25 nodes), Branch, Tree suppo时ed Cycle Time 250 s to 4 ms, 1 s jitter. V 2.3 (Ed.1): Cycle time starting fr
16、om 31.25 s (claimed),I IRT,IRT ,in阳al ，,IRT 阳v,TCP/IP,TCP/IP,TCP/IP,int叫I,-,-,I, ,一一Cycle 1 一一,Cycle 2 一一l一,Cycle n 一一,= time window,RT Standard c ”、”、unlcatl n c 町、町、unlcatl n R9a 雨国,Is chr n us,c 町、町、unlcatl n,IRT data,Pictures sourced fr。m PTO/PNO website,。EtherCAT Techn。logy Group,Ethe币AT vs.Pro
17、finet 10,1.0veview,2.Functional Principle,3.Topology,4.Performance,5. Ease of Use,6.Safety,7. Implementation,8. Confomanee,9.Stability,10.Adoption,11. Summary,。d。be 2014,Functi。nal Principle: Ethernet “on the Fly“,Minimal protocol overhead via implicit addressing,00 Optimized telegram structure for
18、decentralized 1/0 Communication completely in hardware: maximum performance no switches needed if only EtherCAT devices in the network Outstanding diagnostic features Ethernet-compatibi lity maintained,。EtherCAT Techn。gy Gro“p,EtherCAT vs Profinet 。,Pr。finet RT:T。p。l。gy,器墨誓,Line, Branch + Tree Topol
19、ogies are suppo同ed Siemens recommends : use star architecture and keep the cascade depth of switches low Line Topology thus not recommended , due to cascaded switch issue E陆mp险。f an 。ptimed PR。FINETtopc到咱y - - -.,;,.;. 函争函 、 PROF/NET 由ta exchange ar喝阳咄咄-a阳” 4.6 Setup recommendations for optim.国ngPRO
20、FINET,4.6,Setup recommendations for optimizing PROFINET,Optimizing PROFINET with RT,PROFINET allows y。u to set up communi由此ion with both highpe巾rmance and a high,degree of integration,By keeping to the following guidelines,you 臼n further improve performance of y。ur,PROFINET 10 sys恒min RT m。de,1. Con
21、nect a router or a SCALANCE S between the office network and PROFINET system,Use the router to define access p时vileges for y。ur PROFINET system,2. Where useful Iset uo vour PROFINET in a star architecturel(in the control cabinet perhaps). 31 Keep the 臼 scade depth of swi比hes low.IThis incre眉目clarity
22、 of your PROFINET system arhiteciure,s。urce: Siemens PROFINET System Descripti。n, System Manual 08/2008,A5E00298288-04, Page 75,I n the 2010 v e rsi on of this d 。cument, i tem 3 was rem。ved - the 2010 version contains the recommendati。n to use dedicated Siemens Sw itches only,EtherCAT Techn。logy Gr
23、oup,器墨誓,Pr。finet 10: Conformance Classes,Profinet defines 3 conformance classes: A+B = RT, C = IRT (+RT) For synchronized Motion Control, regardless of Cycle Time: Class C equired,1.Overview,c。c且再回。czozuon比 O2的。,2.Functional Principle 巴巴,4.Peformance5. Ease of Use6.Safety7.Implementation,Class A:, S
24、tandard Ethernet Netw。rk c。mp。nents Ce此ified Devices and c。”tr。lier,8.Conformance,n。nis。chr。n。us TCP/IP, RT,RedClass 1,。pti。nal, Applicati。nClass.,C。mmunicati。nClass Redundancy:,9.Stability,10. Adoption,11. Summary,October 2014 。 EtherCAT Techn。logy Group,Pr。finet IRT:T。p。logy,器墨誓,1.Overview,Line, B
25、ranch + Tree,Topologies are suppo时ed iM叫O of Nodes (Siemens*): 60,立咀,2.Functional Principle 巴巴,IRT: only special Profinet IRT switches can be used - no Commercially Of The Shelf (COTS) switches.,Cascading of switches in a line has practical limit of 20 - 25 devices this means: branch/star topology i
26、s the common design, whether desired or not The network topology layout requires a top-down approach The planning process mandates the layout and wiring of a configuration: pe斤ormance data is true for a specific topology ONLY Therefore: topology restrictions apply when designing a network with a req
27、uired performance,5.Ease of Use,6.Safety,10. Adoption,7.Implementation,8.Conformance,9.Stability,11. Summary,Limitation 。f Siemens ERTEC 400 Pr。finet IRT Chip Ethe币AT vs.Profinet 10,October 2014,。EtherCAT Techn。logy Group,EtherCAT wiring is more flexible,矗 EtherCAT,.,2. Functional Principle,Topology
28、 variants like Line, Star, Tree + Drop Lines suppo叫ed; can be used in any combination! Also: Ring Topology for Cable Redundancy : Up to 65.535 nodes for each segment , regardl邸of topology. Influence of topology on cycle time insignificant.,1.Overview,巴巴,5.Ease of Use6.Safety Master 7.ImplementationC
29、onformanceStability10. Adoption11. SummaryEtherCAT 。 Techn。logy Group,1.Overview,2.Functional Principle,F再函n e,6.Safety,7.Implementation,8.Conformance,9.Stability,10.Adoption,11. Summary,October 2014,Pr。finet RT: Perf。rmanee,器墨誓,RT,M。tion Control,RT in PR。FINET provides similar Real-Time properties,
30、like PR。FIBUS Cycle times can be realized in the range of 5 to 10 ms,s。urce: Pr。fibus lnternati。nalwebsite ,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,1.Overview,2.Functional,F再函n e,6.Safety,7.Implementation 8.Conformance,9.Stability,10. Adoption,11. Summary,October 2014,Pr。finet IRT: Perf。rm
31、anee,器墨誓,Published by Profibus International: Pl-.,PROFIBUS PROF/NET,l;l可il!ltttt;H-“l.矗11.!i.盏 回乱1fil111.町百lllTolr.1目r,1,1i11目l,l:ll l:,:ll., 11ull:I,1 ms I 5川s I,2川s I,-,Reserved fo open com付1unication with standard IT P,50%,50%,50%,Profinet cycle time does not improve for more realistic no. of By
32、tes per Node (e.g. 16),Valid for a network CLUSTER (4 networks) only, not for a single network .,Plus, IRT (Siemens ERTEC 400) only supports 60 nodes maximum (all 4 ports combined) s。urce: Pr。fibus lnternati。nal Presentation: Pr。finet Benefits,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,1.Over
33、view,2. Functional Principle,F再函n e,6.Safety,7. Implementation,8. Conformance,9. Stability,10. Adoption,11. Summary,October 2014,EtherCAT: Perf。rmance I,矗 EtherCAT,.,Performance Values for Motion Control applications with EtheCAT,B“l!Il罩:nm望 ,II固II圈E1，回111-,68,32 14,446,(4 p。rts:272) (4 po s:,同 128)
34、,(4 po同s: 56) 0.2 s 50%,(4 p。rts: 1784) 0.2 s 50%,0.2 s 50% II,0.2 s 50%,Number of Nodes*,Jitter Available for communication with,standard IT protocols,Number of Devices with 16 B叭es Input + 16 Bytes Output Data on a c。ntroller with 1port,All Devices Stand Alone (worst case f。r EtherCAT),With 4 p口同s
35、 same cycle Time,n。f nodes 吁 The EtherCAT Drive Profiles define 8. .12 Bytes Input + 8.12 Bytes Output Data per Drive - no need for 40 Bytes l+O,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,矗 EtherCAT,.,EtherCAT: Perf。rmance II,1.Overview,2. Functional Principle,F再函n e,6.Safety,7. Implementatio
36、n,8. Conformance,9. Stability,10. Adoption,11. Summary,October 2014,Performance Values for 1/0 Type applications with EtherCAT,B“l!Il罩:nm望 ,Number of Nodes*,Jitter Available for communication with standard IT protocols,圃阳,II E1，回111,68,32 14,630,(4 p。rts:272) (4 po s:,同 128) (4 po同s: 56) (4 p。rts: 2
37、520),0.2 s 75%,0.2 s 0.2 s 0.2 s 75% 70% 78%,II,Number of Devices with 4 Bytes Input + 4 Bytes Output Data on a Controller with 1port,All Devices Stand Alone (worst case f。r EtherCAT),With 4 p口同s same cycle Time,n。f nodes 吁 Statistics show that the average Fieldbus 1/0 station has less than 4 Bytes
38、Input + 4 Bytes Output Data,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,Pr。finet: Ease 。f Use,lilliJCDIJD ili自由,1.Overview,2. Functional Principle,3.Topology,auw 2 ,c,一 池 一,1 s,倒 一 U,n J,w 一,。 一 y,3 j t,，附,一 创 一 句,e aa,p Es,4 56,7.ImplementationConformanceStability10.Adoption11. Summary,Octobe
39、r 2014,Profinet has no structuring concept (with isolated Ethernet segments), therefore Single Layer 2 network needed All modules or subsystems within one line require a common configuation! Setup of addresses difficult - each 10-module affected Setup cannot done by the machinery supplier,。EtherCAT
40、Techn。logy Group,Ethe币AT vs.Profinet 10,1.Overview,2. Functional Principle,3.Topology,auw 2 ,c,一 池 一,1 s,倒 一 U,n J,w 一,。 一 y,3 j t,，附,一 创 一 句,e aa,p Es,4 56,7.Implementation,8. Conformance,9. Stability,10. Adoption,11. Summary,October 2014,EtherCAT: Ease 。f Use,矗,EtherCAT,.,Network planning:,Perform
41、ance independent of: Slave implementation (no Stacks involved in Process Data Communication) Topology (no Switches/Hubs),Addressi ng,i,No manual address setting required No IP- or MAC-Address Handling Required Addresses can be assigned automatically Addresses can be kept no new addressing if nodes a
42、re added,Structuring No Address conflicts Routing into underlying network segments supported,。EtherCAT Techn。logy Group,Ethe币AT vs.Profinet 10,1.Overview,2. Functional Principle,3.Topology,auw 2 ,c,一 池 一,1 s,倒 一 U,n J,w 一,。 一 y,3 j t,，附,一 创 一 句,e aa,p Es,4 56,Pr。finet R。bustness (I),lilliJCDIJD ili自
43、由,Profinet can be vulnerable if certain non-Profinet network traffic occurs, such as high density of (sho同） ARP requests This applies to RT as well as to IRT, since in IRT the NRT channel is used for suppoting services, such as: Synchronization (IEEE1588) All acyclic services (which are used by some
44、 masters in a cyclic way).,Discovery protocol (LLDP),9. Stability,8. Conformance,CPU ：一,已莘莘吝虫4等安,?. Implementation,Bus 阳刷刷E刷1re1u.捆 eP.1110百r:,10. Adoption,11. Summary,Therefore Profibus International has published a spec/guideline called ,PROFINET 10 Net load“ Thus the Profinet 旦主旦r is now responsi
45、ble to ensure that certain network load limits are not exceeded.,。 EtherCAT Techn。logy Group,1.Overview,2. Functional Principle,3.Topology The goals of this paper are Definiti。n 。f a unif。rm behavi。r f。r devic es under different networkloads Definiti。n 。f netw。rk load limits Definiti。n 。f appropriat
46、e reacti。ns regarding the related netw。rkload limits,auw 2 ,c,一 池 一,1 s,倒 一 U,n J,w 一,。 一 y,3 j t,，附,一 创 一 句,e aa,p Es,4 56,7.Implementation,8. Conformance,9. Stability,10. Adoption,11. Summary,Pr。finet R。bustness (II),lilliJCDIJD ili自由,I PROFINET 10 Netload,I,PROFINET,User,Manufactuer,This area is
47、for members only. Please login to access this d。,wnload.,Descripti。n,Details,Versi。n: 1.0,Order N 。7.302 Language: English,Files,464 kb,口Back to d。wnl。ad list,。 Screenshot from Profibus lnternati。nal website h饥p:/lv附 io-net-load-1/display/,EtheAT Techn。咱y Group,1.Overview,2. Functional Principle,3.T
48、opology,auw 2 ,c,一 池 一,1 s,倒 一 U,n J,w 一,。 一 y,3 j t,，附,一 创 一 句,e aa,p Es,4 56,7.Implementation,8. Conformance,9. Stability,10.Adoption,11. Summary,c。nfigurati。n: Profinet,lilliJCDIJD ili自由,1. Select + Plan Topology according to System Limitations,Configure Node Name and download to each Slave Device one by one (peer to peer) Select Device Description Files (GSDML) in Configuration Tool,
